Let $A$ be an nth-order square matrix and $B$ be its adjoint, then $\left|AB+K{I}_n\right|$ is (where $K$ is a scalar quantity) ${\left(\left|A\right|+K\right)}^{n-2}$ b. $\left(\left|A\right|+\right)K^n$ c. ${\left(\left|A\right|+K\right)}^{n-1}$ d. none of these

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